What is the meaning of Trough?

A long, narrow container, open on top, for feeding or watering animals.

Any similarly shaped container.

1. A rectangular container used for washing or rinsing clothes.

   A rectangular container used for washing or rinsing clothes.

   A short, narrow canal designed to hold water until it drains or evaporates.

   An undivided metal urinal (plumbing fixture)

   A gutter under the eaves of a building; an eaves trough.

   A channel for conveying water or other farm liquids (such as milk) from place to place by gravity; any ‘U’ or ‘V’ cross-sectioned irrigation channel.

   A long, narrow depression between waves or ridges; the low portion of a wave cycle.

   A low turning point or a local minimum of a business cycle.

   A linear atmospheric depression associated with a weather front.

   To eat in a vulgar style, as if from a trough.

   alternative form of trogh

   Source: wiktionary.org